panichandler

package
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Published: Apr 24, 2024 License: MIT, MIT Imports: 6 Imported by: 0

README

grpc-panic-handler

Taken from https://github.com/kazegusuri/grpc-panic-handler

grpc-panic-handler is an interceptor to protect a process from aborting by panic and return Internal error as status code.

Usage

import (
	panichandler "github.com/kazegusuri/grpc-panic-handler"
)

func main() {
	uIntOpt := grpc.UnaryInterceptor(panichandler.UnaryPanicHandler)
	sIntOpt := grpc.StreamInterceptor(panichandler.StreamPanicHandler)
	grpc.NewServer(uIntOpt, sIntOpt)
}

Custom Panic Handler

You can write custom panic handler in case of panic. Use InstallPanicHandler.

func main() {
	panichandler.InstallPanicHandler(func(r interface{}) {
		fmt.Printf("panic happened: %v", r)
	}
}
Built-in custom panic handler
  • LogPanicDump
  • debug.Stack() to stderr
  • LogPanicStackMultiLine
  • show stack trace in multi line by glog
AuthorMasahiro Sano
CopyrightCopyright (c) 2016- Masahiro Sano
LicenseMIT License

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func InstallPanicHandler

func InstallPanicHandler(handler PanicHandler)

InstallPanicHandler installs additional crash handles for dealing with a panic

func StreamPanicHandler

func StreamPanicHandler(logger log.Logger) grpc.StreamServerInterceptor

StreamPanicHandler creates a new stream server interceptor that handles panics.

func UnaryPanicHandler

func UnaryPanicHandler(logger log.Logger) grpc.UnaryServerInterceptor

UnaryPanicHandler creates a new unary server interceptor that handles panics.

Types

type PanicHandler

type PanicHandler func(methodName string, error interface{})

PanicHandler is a handler that will be called on a grpc panic

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